Dutch word hamer comes from Proto-Indo-European *h₂éḱmō (Stone.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *h₂éḱmō | Proto-Indo-European (ine-pro) | Stone. |
| *h₂eḱmoros | Proto-Indo-European (ine-pro) | |
| *hamaraz | Proto-Germanic (gem-pro) | Hammer. |
| *hamar | Old Dutch (odt) | |
| hāmer | Middle Dutch (dum) | |
| hamer | Dutch (nld) | Hammer. |